CHEMICAL REACTION ENGINEERING QUIZ

Equilibrium of a chemical reaction as viewed by kinetics is a __________ state.

None of these

Dynamic steady

Dynamic unsteady

Static steady

TRUE ANSWER : ?
YOUR ANSWER : ?

In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole.

10000

1000

100000

100

TRUE ANSWER : ?
YOUR ANSWER : ?

The percent conversion of ethanol in the reactor is

97.5

100

2.5

95

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the most suitable for very high pressure gas phase reaction?

Stirred tank reactor

Batch reactor

Fluidised bed reactor

Tubular flow reactor

TRUE ANSWER : ?
YOUR ANSWER : ?

The rate constant of a first order reaction depends on the

Time

Concentration of the product

Concentration of the reactant

Temperature

TRUE ANSWER : ?
YOUR ANSWER : ?

A backmix reactor

Is most suitable for gas phase reaction

Employs mixing in axial direction only

Is same as plug-flow reactor

Is same as ideal stirred tank reactor

TRUE ANSWER : ?
YOUR ANSWER : ?

Space time in flow reactor is

A measure of its capacity

Usually equal to the residence time

The reciprocal of the space velocity

Both A and B

TRUE ANSWER : ?
YOUR ANSWER : ?

In which of the following reactions, thee-quilibrium will shift to the right, if the total pressure is increased?

H₂ + I₂ ⇋ 2HI

H₂ + Cl₂ ⇋ 2HCl

N₂ + O₂ ⇋ 2NO

N₂O₄ ⇋ 2 NO₂

TRUE ANSWER : ?
YOUR ANSWER : ?

A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ?

Either of the arrangement A or B will give the same yield

Smaller reactor followed by larger one

Data insufficient, can

Large reactor followed by smaller one

TRUE ANSWER : ?
YOUR ANSWER : ?

__________ resistance is not involved in the combustion of a carbon particle.

Ash

Gas film

None of these

Chemical reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

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